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what is the name of the area between the two pleural cavities?
Mediastinum
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which structure is not demonstrated within the mediastinum in PA projections of the chest?
Diaphragm
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which pathologic conditon of the lung involves the placement of air with fluid in the lung interstitium and alveoli?
Pulmonary edema
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why should chest radiographs be performed with a 72 inch SID
to minimize magnification of the heart
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why should chset radiographs be performed after the patient has suspended respiration after the second inspiration?
to better expland lungs
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with the reference to the IR, how are the midsagittal plane and the midcoronal plane positioned for the PA projection of the chest?
- Midsaggital- perpendicular
- midcoronal- parallel
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for PA projection of the chest, which positioning maneuver should be performed to best remove scapulae from lung fields?
rotate the shoulders forward
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why should the chest most likely be demonstrated using two PA projections
to demonstate pneumothorax
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which of the following is an affective way to detect rotation of the patient with the PA projection radiograph of the chest?
the asymmetrical appearance of the sternoclavicular joints
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for which projection of the chest should th midsaggital plane be parrallel with the IR?
lateral projection
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with reference to the IR how are the midcoronal plane and the midsagittal plane positioned for the lateral projection of the chest?
- midcoronal - perpendicular
- midsaggital - parallel
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which projection of the chest best demonstrates lung apices free from superimposition with the clavicles?
AP axial projection, lordotic position
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which PA oblique projection of the chest maybe used to evaluate the heart and great veseels?
55-60 degree LAO
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howmany degrees should the patient be rotated for the PA oblique projection of the chest to evaluate the lungs?
- RAO- 45 degrees
- LAO - 45 degrees
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using a lateral decubitus position for patients who are unable to stand upright best demonstrates which of the following pathologic conditions of the chest?
air or fluid levels
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with reference to the IR, how are the midsagittal plane and the midcoronal plane positioned for the AP chest, left lateral decubitus position?
- midsaggital- perpendicular
- midcoronal- parallel
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which pathologic condition of the lungs is best demonstrated with the AP chest, left lateral decubitus position?
fluid levels in the left side of free air in the right side
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which pathologic condition of the lungs is best demonstrated with the AP chest, right lateral decubitus position?
free air in the left side or fluid levels in the right side
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which radiographic position requires that the patient be placed supine with the IR placed vertically against the patients right side ad horizonal central ray directed to the center of the IR?
Dorsal decubitus
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which radiographic position requires that the patient be placed prone?
ventral decubitus
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which evaluation criterion pertains to the PA projection radiograph of the chest?
ten posterior ribs should be visible above the diaphragm
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which evaluation criterion pertains to the PA projection radiograph of the chest?
the scapulae should be projected outside the lung fields
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which evaluation criterion pertains to the lateral projection radiograph of the chest?
the ribs posterior to the vertebral column should be superimposed
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which evaluation criterion pertains to the AP axial projection, lordotic position radiograph of the chest?
the ribs should appear distorted
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which evaluation criterion pertains to the AP axial projection, lordotic position radiograph of the chest?
the clavicles should lie superior to the apices
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